[INFO] fetching crate count_sort 0.3.0...
[INFO] checking count_sort-0.3.0 against try#fafe42c59556a4233f03dd0d900b575a9afeece8 for pr-143764
[INFO] extracting crate count_sort 0.3.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate count_sort 0.3.0
[INFO] finished tweaking crates.io crate count_sort 0.3.0
[INFO] tweaked toml for crates.io crate count_sort 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate count_sort 0.3.0 on toolchain fafe42c59556a4233f03dd0d900b575a9afeece8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 75 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.2.11 (available: v0.6.0)
[INFO] [stderr]       Adding quickcheck v0.8.5 (available: v1.0.3)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.9.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/991d653280f4226343a5f29e8061ac40acc9fa293ce6574d0d46efbdba4784d3: no space left on device
[INFO] checking count_sort-0.3.0 against try#fafe42c59556a4233f03dd0d900b575a9afeece8 for pr-143764
[INFO] extracting crate count_sort 0.3.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate count_sort 0.3.0
[INFO] finished tweaking crates.io crate count_sort 0.3.0
[INFO] tweaked toml for crates.io crate count_sort 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate count_sort 0.3.0 on toolchain fafe42c59556a4233f03dd0d900b575a9afeece8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 75 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.2.11 (available: v0.6.0)
[INFO] [stderr]       Adding quickcheck v0.8.5 (available: v1.0.3)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.9.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cdbf5fbd38cc57b69409a9be0f271469d5a13c4ebb7f9b43064d3f3f7eb33f6
[INFO] running `Command { std: "docker" "start" "-a" "5cdbf5fbd38cc57b69409a9be0f271469d5a13c4ebb7f9b43064d3f3f7eb33f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cdbf5fbd38cc57b69409a9be0f271469d5a13c4ebb7f9b43064d3f3f7eb33f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cdbf5fbd38cc57b69409a9be0f271469d5a13c4ebb7f9b43064d3f3f7eb33f6", kill_on_drop: false }`
[INFO] [stdout] 5cdbf5fbd38cc57b69409a9be0f271469d5a13c4ebb7f9b43064d3f3f7eb33f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+fafe42c59556a4233f03dd0d900b575a9afeece8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 061f654800f4130a172aacde430a56321a5646aef85d423b1f7ac99f3fce158d
[INFO] running `Command { std: "docker" "start" "-a" "061f654800f4130a172aacde430a56321a5646aef85d423b1f7ac99f3fce158d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking csv-core v0.1.12
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking dmsort v1.0.2
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking count_sort v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking csv v1.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking quickcheck v0.8.5
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.40s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "061f654800f4130a172aacde430a56321a5646aef85d423b1f7ac99f3fce158d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "061f654800f4130a172aacde430a56321a5646aef85d423b1f7ac99f3fce158d", kill_on_drop: false }`
[INFO] [stdout] 061f654800f4130a172aacde430a56321a5646aef85d423b1f7ac99f3fce158d